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Imshow demoΒΆ
Demoing imshow
![plot imshow ext](../../../../_images/sphx_glr_plot_imshow_ext_001.png)
import numpy as np
import matplotlib.pyplot as plt
def f(x, y):
return (1 - x / 2 + x**5 + y**3) * np.exp(-(x**2) - y**2)
n = 10
x = np.linspace(-3, 3, 8 * n)
y = np.linspace(-3, 3, 6 * n)
X, Y = np.meshgrid(x, y)
Z = f(X, Y)
plt.imshow(Z, interpolation="nearest", cmap="bone", origin="lower")
plt.xticks([])
plt.yticks([])
# Add a title and a box around it
from matplotlib.patches import FancyBboxPatch
ax = plt.gca()
ax.add_patch(
FancyBboxPatch(
(-0.05, 0.87),
width=0.66,
height=0.165,
clip_on=False,
boxstyle="square,pad=0",
zorder=3,
facecolor="white",
alpha=1.0,
transform=plt.gca().transAxes,
)
)
plt.text(
-0.05,
1.02,
" Imshow: plt.imshow(...)\n",
horizontalalignment="left",
verticalalignment="top",
size="xx-large",
transform=plt.gca().transAxes,
)
plt.text(
-0.05,
1.01,
"\n\n Display an image to current axes ",
horizontalalignment="left",
verticalalignment="top",
family="DejaVu Sans",
size="large",
transform=plt.gca().transAxes,
)
plt.show()
Total running time of the script: (0 minutes 0.035 seconds)